Add EPEL mirror

Like the centos mirror, we'll be using rsync for the EPEL mirror. This
will be used by centos-7 nodes.

Change-Id: Ifb9f539b20558ef4464616d56259cf1355eff901
Signed-off-by: Paul Belanger <pabelanger@redhat.com>

manifests/site.pp

@@ -565,6 +565,7 @@ node 'mirror-update.openstack.org' {
     reprepro_keytab     => hiera('reprepro_keytab'),
     npm_keytab          => hiera('npm_keytab'),
     centos_keytab       => hiera('centos_keytab'),
+    epel_keytab         => hiera('epel_keytab'),
     sysadmins           => hiera('sysadmins', []),
   }
 }

modules/openstack_project/files/mirror/epel-mirror-update.sh

@@ -0,0 +1,43 @@
+#!/bin/bash -xe
+# Copyright 2016 Red Hat, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+MIRROR_VOLUME=$1
+
+BASE="/afs/.openstack.org/mirror/epel"
+MIRROR="rsync://mirror.math.princeton.edu/pub"
+K5START="k5start -t -f /etc/epel.keytab service/epel-mirror -- timeout -k 2m 30m"
+
+REPO=7
+if ! [ -f $BASE/$REPO ]; then
+    $K5START mkdir -p $BASE/$REPO
+fi
+
+echo "Running rsync..."
+$K5START rsync -rlptDvz \
+    --delete \
+    --delete-excluded \
+    --exclude="SRPMS" \
+    --exclude="ppc64" \
+    --exclude="ppc64le" \
+    --exclude="x86_64/debug" \
+    --exclude="x86_64/repoview" \
+    $MIRROR/epel/$REPO/ $BASE/$REPO/
+
+# TODO(pabelanger): Validate rsync process
+
+echo "rsyc completed successfully, running vos release."
+k5start -t -f /etc/afsadmin.keytab service/afsadmin -- vos release -v $MIRROR_VOLUME
+
+echo "Done."

modules/openstack_project/manifests/mirror.pp

@@ -63,6 +63,17 @@ class openstack_project::mirror (
     ]
   }
 
+  # Create the symlink to epel
+  file { "${www_root}/epel":
+    ensure  => link,
+    target  => "${mirror_root}/epel",
+    owner   => root,
+    group   => root,
+    require => [
+      File["${www_root}"],
+    ]
+  }
+
   # Create the symlink to apt.
   file { "${www_root}/ubuntu":
     ensure  => link,

modules/openstack_project/manifests/mirror_update.pp

@@ -7,6 +7,7 @@ class openstack_project::mirror_update (
   $admin_keytab = '',
   $npm_keytab = '',
   $centos_keytab = '',
+  $epel_keytab = '',
 ) {
 
   class { 'openstack_project::server':
@@ -223,4 +224,33 @@ class openstack_project::mirror_update (
        File['/etc/centos.keytab'],
     ]
   }
+
+  ### EPEL mirror ###
+  file { '/etc/epel.keytab':
+    owner   => 'root',
+    group   => 'root',
+    mode    => '0400',
+    content => $epel_keytab,
+  }
+
+  file { '/usr/local/bin/epel-mirror-update':
+    ensure  => present,
+    owner   => 'root',
+    group   => 'root',
+    mode    => '0755',
+    source  => 'puppet:///modules/openstack_project/mirror/epel-mirror-update.sh',
+  }
+
+  cron { 'epel mirror':
+    user        => $user,
+    minute      => '0',
+    hour        => '*/2',
+    command     => 'flock -n /var/run/epel-mirror.lock epel-mirror-update mirror.epel >>/var/log/epel-mirror.log 2>&1',
+    environment => 'PATH=/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin',
+    require     => [
+       File['/usr/local/bin/epel-mirror-update'],
+       File['/etc/afsadmin.keytab'],
+       File['/etc/epel.keytab'],
+    ]
+  }
 }